Laneth-4 phosphates (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Definition
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Laneth(e) are the polyoxyethylene ethers of lanolin alcohols (for comparison see: laurethe as polyoxyethylene ether of lauryl alcohol; steareth as polyoxyethylene ether of stearyl alcohol and others).

Polyalkylene glycol ethers are non-ionic surfactants whose lipophilic part consists of fatty alcohols (e.g. lauryl alcohol, palmitic alcohol, stearyl alcohols etc.). The hydrophilic part is formed by short-chain polyethylene glycols (polyoxyethylene). In the designation of fatty alcohol polyglycol ethers, the inserted numbering means the average number of ethylene oxide units per mole. Laneth-4is the INCI designation for a polyoxyethylene ether with 4 ethylene oxide units per mol.

Laneth-4 phosphate acts as emulsifier (changes the interfacial tension of liquids such as water and oil so that they can be mixed together) and surfactant (washing-active substance).

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Last updated on: 29.10.2020

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